1 // SPDX-License-Identifier: GPL-2.0-only
3  * tas2552.c - ALSA SoC Texas Instruments TAS2552 Mono Audio Amplifier
5  * Copyright (C) 2014 - 2024 Texas Instruments Incorporated -
27 #include <sound/soc-dapm.h>
29 #include <sound/tas2552-plat.h>
30 #include <dt-bindings/sound/tas2552.h>
84 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in tas2552_post_event()
123 	SND_SOC_DAPM_AIF_OUT("ASI OUT", "DAC Capture", 0, SND_SOC_NOPM, 0, 0),
140 	{"ASI OUT", NULL, "DMIC"}
148 	if (!tas2552->component)  in tas2552_sw_shutdown()
154 	snd_soc_component_update_bits(tas2552->component, TAS2552_CFG_1, TAS2552_SWS,  in tas2552_sw_shutdown()
162 	struct tas2552_data *tas2552 = dev_get_drvdata(component->dev);  in tas2552_setup_pll()
165 	unsigned int pll_clkin = tas2552->pll_clkin;  in tas2552_setup_pll()
169 		if (tas2552->pll_clk_id != TAS2552_PLL_CLKIN_BCLK)  in tas2552_setup_pll()
170 			return -EINVAL;  in tas2552_setup_pll()
173 		pll_clkin += tas2552->tdm_delay;  in tas2552_setup_pll()
193 		u8 pll_sel = (tas2552->pll_clk_id << 3) & TAS2552_PLL_SRC_MASK;  in tas2552_setup_pll()
204 		d = q + ((9999 - pll_clkin % 10000) * (d / t - q)) / 10000;  in tas2552_setup_pll()
207 			if (tas2552->pll_clk_id == TAS2552_PLL_CLKIN_BCLK) {  in tas2552_setup_pll()
213 				pll_clkin += tas2552->tdm_delay;  in tas2552_setup_pll()
243 	struct snd_soc_component *component = dai->component;  in tas2552_hw_params()
244 	struct tas2552_data *tas2552 = dev_get_drvdata(component->dev);  in tas2552_hw_params()
251 		cpf = 32 + tas2552->tdm_delay;  in tas2552_hw_params()
255 		cpf = 64 + tas2552->tdm_delay;  in tas2552_hw_params()
259 		cpf = 64 + tas2552->tdm_delay;  in tas2552_hw_params()
263 		cpf = 64 + tas2552->tdm_delay;  in tas2552_hw_params()
266 		dev_err(component->dev, "Not supported sample size: %d\n",  in tas2552_hw_params()
268 		return -EINVAL;  in tas2552_hw_params()
315 		dev_err(component->dev, "Not supported sample rate: %d\n",  in tas2552_hw_params()
317 		return -EINVAL;  in tas2552_hw_params()
332 	struct snd_soc_component *component = dai->component;  in tas2552_prepare()
337 	if (tas2552->dai_fmt == SND_SOC_DAIFMT_DSP_A)  in tas2552_prepare()
338 		delay += (tas2552->tdm_delay + 1);  in tas2552_prepare()
339 	else if (tas2552->dai_fmt == SND_SOC_DAIFMT_DSP_B)  in tas2552_prepare()
340 		delay += tas2552->tdm_delay;  in tas2552_prepare()
350 	struct snd_soc_component *component = dai->component;  in tas2552_set_dai_fmt()
351 	struct tas2552_data *tas2552 = dev_get_drvdata(component->dev);  in tas2552_set_dai_fmt()
368 		dev_vdbg(component->dev, "DAI Format master is not found\n");  in tas2552_set_dai_fmt()
369 		return -EINVAL;  in tas2552_set_dai_fmt()
387 		dev_vdbg(component->dev, "DAI Format is not found\n");  in tas2552_set_dai_fmt()
388 		return -EINVAL;  in tas2552_set_dai_fmt()
390 	tas2552->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;  in tas2552_set_dai_fmt()
400 	struct snd_soc_component *component = dai->component;  in tas2552_set_dai_sysclk()
401 	struct tas2552_data *tas2552 = dev_get_drvdata(component->dev);  in tas2552_set_dai_sysclk()
409 			dev_warn(component->dev, "Out of range PLL_CLKIN: %u\n",  in tas2552_set_dai_sysclk()
420 		tas2552->pll_clk_id = clk_id;  in tas2552_set_dai_sysclk()
421 		tas2552->pll_clkin = freq;  in tas2552_set_dai_sysclk()
430 		tas2552->pdm_clk_id = clk_id;  in tas2552_set_dai_sysclk()
431 		tas2552->pdm_clk = freq;  in tas2552_set_dai_sysclk()
434 		dev_err(component->dev, "Invalid clk id: %d\n", clk_id);  in tas2552_set_dai_sysclk()
435 		return -EINVAL;  in tas2552_set_dai_sysclk()
447 	struct snd_soc_component *component = dai->component;  in tas2552_set_dai_tdm_slot()
452 		dev_err(component->dev, "tx masks need to be non 0\n");  in tas2552_set_dai_tdm_slot()
453 		return -EINVAL;  in tas2552_set_dai_tdm_slot()
459 		dev_err(component->dev, "Invalid mask, slots must be adjacent\n");  in tas2552_set_dai_tdm_slot()
460 		return -EINVAL;  in tas2552_set_dai_tdm_slot()
463 	tas2552->tdm_delay = lsb * slot_width;  in tas2552_set_dai_tdm_slot()
465 	/* DOUT in high-impedance on inactive bit clocks */  in tas2552_set_dai_tdm_slot()
475 	struct snd_soc_component *component = dai->component;  in tas2552_mute()
492 	regcache_cache_only(tas2552->regmap, true);  in tas2552_runtime_suspend()
493 	regcache_mark_dirty(tas2552->regmap);  in tas2552_runtime_suspend()
495 	gpiod_set_value(tas2552->enable_gpio, 0);  in tas2552_runtime_suspend()
504 	gpiod_set_value(tas2552->enable_gpio, 1);  in tas2552_runtime_resume()
508 	regcache_cache_only(tas2552->regmap, false);  in tas2552_runtime_resume()
509 	regcache_sync(tas2552->regmap);  in tas2552_runtime_resume()
537 		.name = "tas2552-amplifier",
557  * DAC digital volumes. From -7 to 24 dB in 1 dB steps
559 static DECLARE_TLV_DB_SCALE(dac_tlv, -700, 100, 0);
582 	tas2552->component = component;  in tas2552_component_probe()
584 	ret = regulator_bulk_enable(ARRAY_SIZE(tas2552->supplies),  in tas2552_component_probe()
585 				    tas2552->supplies);  in tas2552_component_probe()
588 		dev_err(component->dev, "Failed to enable supplies: %d\n",  in tas2552_component_probe()
593 	gpiod_set_value(tas2552->enable_gpio, 1);  in tas2552_component_probe()
595 	ret = pm_runtime_resume_and_get(component->dev);  in tas2552_component_probe()
597 		dev_err(component->dev, "Enabling device failed: %d\n",  in tas2552_component_probe()
617 	pm_runtime_put_noidle(component->dev);  in tas2552_component_probe()
618 	gpiod_set_value(tas2552->enable_gpio, 0);  in tas2552_component_probe()
620 	regulator_bulk_disable(ARRAY_SIZE(tas2552->supplies),  in tas2552_component_probe()
621 					tas2552->supplies);  in tas2552_component_probe()
629 	pm_runtime_put(component->dev);  in tas2552_component_remove()
631 	gpiod_set_value(tas2552->enable_gpio, 0);  in tas2552_component_remove()
640 	ret = regulator_bulk_disable(ARRAY_SIZE(tas2552->supplies),  in tas2552_suspend()
641 					tas2552->supplies);  in tas2552_suspend()
644 		dev_err(component->dev, "Failed to disable supplies: %d\n",  in tas2552_suspend()
654 	ret = regulator_bulk_enable(ARRAY_SIZE(tas2552->supplies),  in tas2552_resume()
655 				    tas2552->supplies);  in tas2552_resume()
658 		dev_err(component->dev, "Failed to enable supplies: %d\n",  in tas2552_resume()
701 	dev = &client->dev;  in tas2552_probe()
702 	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);  in tas2552_probe()
704 		return -ENOMEM;  in tas2552_probe()
706 	data->enable_gpio = devm_gpiod_get_optional(dev, "enable",  in tas2552_probe()
708 	if (IS_ERR(data->enable_gpio))  in tas2552_probe()
709 		return PTR_ERR(data->enable_gpio);  in tas2552_probe()
711 	data->tas2552_client = client;  in tas2552_probe()
712 	data->regmap = devm_regmap_init_i2c(client, &tas2552_regmap_config);  in tas2552_probe()
713 	if (IS_ERR(data->regmap)) {  in tas2552_probe()
714 		ret = PTR_ERR(data->regmap);  in tas2552_probe()
715 		dev_err(&client->dev, "Failed to allocate register map: %d\n",  in tas2552_probe()
720 	for (i = 0; i < ARRAY_SIZE(data->supplies); i++)  in tas2552_probe()
721 		data->supplies[i].supply = tas2552_supply_names[i];  in tas2552_probe()
723 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->supplies),  in tas2552_probe()
724 				      data->supplies);  in tas2552_probe()
730 	pm_runtime_set_active(&client->dev);  in tas2552_probe()
731 	pm_runtime_set_autosuspend_delay(&client->dev, 1000);  in tas2552_probe()
732 	pm_runtime_use_autosuspend(&client->dev);  in tas2552_probe()
733 	pm_runtime_enable(&client->dev);  in tas2552_probe()
734 	pm_runtime_mark_last_busy(&client->dev);  in tas2552_probe()
735 	pm_runtime_put_sync_autosuspend(&client->dev);  in tas2552_probe()
737 	dev_set_drvdata(&client->dev, data);  in tas2552_probe()
739 	ret = devm_snd_soc_register_component(&client->dev,  in tas2552_probe()
743 		dev_err(&client->dev, "Failed to register component: %d\n", ret);  in tas2552_probe()
744 		pm_runtime_get_noresume(&client->dev);  in tas2552_probe()
752 	pm_runtime_disable(&client->dev);  in tas2552_i2c_remove()